Stay updated with real-time air quality in Essex, UK featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
25
Good
Essex, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.85 μg/m³
0
55
155
255
425
605+
26.84 ppb
0
55
71
86
201
201+
0.83 ppb
0
36
76
186
605
1005+
3.56 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Essex, UK
Essex, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 24
Good
3.75μg/m³
PM2.5
8.20μg/m³
PM10
25.54ppb
O3
1.04ppb
SO2
4.93ppb
NO2
0.12ppm
CO
AQI 27
Good
4.91μg/m³
PM2.5
13.42μg/m³
PM10
26.19ppb
O3
0.67ppb
SO2
3.96ppb
NO2
0.12ppm
CO
AQI 24
Good
3.75μg/m³
PM2.5
10.77μg/m³
PM10
25.97ppb
O3
0.77ppb
SO2
8.25ppb
NO2
0.12ppm
CO
AQI 24
Good
3.40μg/m³
PM2.5
8.49μg/m³
PM10
25.80ppb
O3
0.80ppb
SO2
6.73ppb
NO2
0.12ppm
CO
AQI 23
Good
3.35μg/m³
PM2.5
7.69μg/m³
PM10
24.84ppb
O3
0.80ppb
SO2
4.87ppb
NO2
0.12ppm
CO
AQI 25
Good
3.28μg/m³
PM2.5
7.01μg/m³
PM10
27.16ppb
O3
0.73ppb
SO2
3.35ppb
NO2
0.12ppm
CO
Air quality and pollutant data for Essex, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Essex, UK is updated every hour for accuracy.
In the past 24 hours, the air quality in Essex, UK was at its worst at 03:00:00 on 2026-05-13.
In the last 24 hours, the best air quality in Essex, UK was observed at 08:00:00 on 2026-05-14.
As of now, the AQI in Essex, UK is 25, indicating Good conditions.
Essex, UK air has the highest levels of O3.
Poor air quality in Essex, UK means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Essex, UK are currently 3.665 μg/m3.
The PM10 concentration in Essex, UK is 7.848 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Essex, UK is 0.118 ppm.
Currently, Essex, UK has a sulfur dioxide (SO2) concentration of 0.834 ppb.
The current ozone (O3) level in Essex, UK at the moment is 26.844 ppm.
Nitrogen dioxide (NO2) level in Essex, UK at the moment is 3.565 ppb.
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